<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图区 -->
    <el-card>
      <!-- 搜索框 -->
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              @click="getUserList()"
              slot="append"
              icon="el-icon-search"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" border stripe>
        <el-table-column label="序号" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 设置带鼠标字体显示 -->
            <el-tooltip
              :enterable="false"
              effect="dark"
              content="分配角色"
              placement="top"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页功能区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%" @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, callback) => {
      const regEmail =
        /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/;
      if (regEmail.test(value)) {
        return callback();
      }
      callback(new Error("请输入合法的邮箱"));
    }; //验证邮箱规则
    var checkMobile = (rule, value, callback) => {
      const regMobile =
        /^(?:(?:\+|00)86)?1(?:(?:3[\d])|(?:4[5-79])|(?:5[0-35-9])|(?:6[5-7])|(?:7[0-8])|(?:8[\d])|(?:9[189]))\d{8}$/;
      if (regMobile.test(value)) {
        return callback();
      }
      callback(new Error("请输入合法的手机号码"));
    }; //验证手机号规则
    return {
      queryInfo: {
        //获取用户列表的参数对象
        query: "",
        pagenum: 1, //当前页数
        pagesize: 5, //当前每页显示多少条数据
      },
      userlist: [],
      total: 0,
      editForm: {}, //存查询到的用户信息对象
      addDialogVisible: false, //添加用户对话框显示与隐藏
      editDialogVisible: false, //控制修改用户对话框开启关闭
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      }, //添加用户表单名数据
      editFormRules: {
        //修改表单的规则验证
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名长度在3~10个字符之间",
            trigger: "blur",
          },
        ], //添加用户名验证规则对象
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "用户名长度在6~15个字符之间",
            trigger: "blur",
          },
        ], //添加密码验证规则对象
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ], //添加密码验证规则对象
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      setRoleDialogVisible: false, //分配角色对话框开关
      userInfo: {}, //分配角色用户信息
      rolesList: [], //所有角色数据列表
      selectedRoleId: "", //已选择的角色Id
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败！");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
    },
    handleSizeChange(newSize) {
      console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    handleCurrentChange(newPage) {
      console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    async userStateChanged(userinfo) {
      //监听 seitch 开关状态的改变
      console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新用户状态失败！");
      }
      this.$message.success("更新用户状态成功！");
    },
    addDialogClosed() {
      //监听添加用户框关闭事件
      this.$refs.addFormRef.resetFields();
    },
    addUser() {
      //点击按钮添加用户
      this.$refs.addFormRef.validate(async (vaild) => {
        console.log(vaild);
        if (!vaild) return; //如果验证vaild为ture发起添加用户网络请求
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败！");
        }
        this.$message.success("添加用户成功！");
        this.addDialogVisible = false; //添加成功关闭对话框
        this.getUserList(); //添加成功重新获取数据列表
      });
    },
    async showEditDialog(id) {
      console.log(id);
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户信息失败！");
      }
      this.editForm = res.data;
      this.editDialogVisible = true; //展示编辑用户对话框
    },
    editDialogClosed() {
      //监听修改用户框关闭事件
      this.$refs.editFormRef.resetFields();
    },
    editUserInfo() {
      //修改用户验证并提交
      this.$refs.editFormRef.validate(async (vaild) => {
        console.log(vaild);
        if (!vaild) return;
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error("更新用户失败！");
        }
        this.editDialogVisible = false; //关闭框
        this.getUserList(); //重置列表
        this.$message.success("更新用户信息成功！");
      });
    },
    async removeUserById(id) {
      //根据ID删除用户信息
      console.log(id);
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err); //如果取消删除返回值为字符串cancel
      console.log(confirmResult);
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除！");
      }
      const { data: res } = await this.$http.delete("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("删除用户失败！");
      }
      this.$message.success("删除用户信息成功！");
      this.getUserList(); //重置列表
    },
    // 展示分配角色对话框
    async setRole(userInfo) {
      this.userInfo = userInfo;
      // 在展示对话框之前，获取所有角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        return this.$message.error("获取信息失败!");
      }
      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
      console.log(this.rolesList);
    },
    async setRoleInfo() {
      //点击确定分配角色
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！');
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      );
      if(res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }
      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed() {//重置对话框选择的内容
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
</style>